::-webkit-scrollbar {
	width: 14px;
	height: 14px;
}

::-webkit-scrollbar-track,
::-webkit-scrollbar-thumb {
	border-radius: 999px;
	border: 5px solid transparent;
}

::-webkit-scrollbar-track {
	box-shadow: 1px 1px 5px rgba(0, 0, 0, .2) inset;
}

::-webkit-scrollbar-thumb {
	min-height: 20px;
	background-clip: content-box;
	box-shadow: 0 0 0 5px rgba(0, 0, 0, .2) inset;
}

::-webkit-scrollbar-corner {
	background: transparent;
}

/* DIV整体加过渡效果 */
div {
	transition-property: width, height;
	transition-duration: 2s;
	-moz-transition-duration: 2s;
	/* Firefox 4 */
	-webkit-transition-duration: 2s;
	/* Safari and Chrome */
	-o-transition-duration: 2s;
	/* Opera */
}


